128546085 has 16 divisors (see below), whose sum is σ = 206107776. Its totient is φ = 68413248.

The previous prime is 128546083. The next prime is 128546101. The reversal of 128546085 is 580645821.

It is not a de Polignac number, because 128546085 - 2¹ = 128546083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128546083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1494 + ... + 16103.

It is an arithmetic number, because the mean of its divisors is an integer number (12881736).

Almost surely, 2^128546085 is an apocalyptic number.

128546085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128546085 is a deficient number, since it is larger than the sum of its proper divisors (77561691).

128546085 is a wasteful number, since it uses less digits than its factorization.

128546085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18092.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 128546085 is about 11337.8165887441. The cubic root of 128546085 is about 504.6840948148.

The spelling of 128546085 in words is "one hundred twenty-eight million, five hundred forty-six thousand, eighty-five".